CN109576767A - A kind of chromium plating production equipment of nothing waste discharge containing chromium - Google Patents
A kind of chromium plating production equipment of nothing waste discharge containing chromium Download PDFInfo
- Publication number
- CN109576767A CN109576767A CN201710904720.4A CN201710904720A CN109576767A CN 109576767 A CN109576767 A CN 109576767A CN 201710904720 A CN201710904720 A CN 201710904720A CN 109576767 A CN109576767 A CN 109576767A
- Authority
- CN
- China
- Prior art keywords
- chromium
- pipeline
- chromium plating
- plating
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/18—Regeneration of process solutions of electrolytes
Abstract
The invention discloses a kind of chromium plating production equipments of nothing waste discharge containing chromium, including chrome-plating bath, cleaning device, chromic acid recyclable device, waste treatment equipment, resistance to acid pump and chromium plating room, the chrome-plating bath pipeline respectively with cleaning device, chromic acid recyclable device and waste treatment equipment connection；The chromic acid recyclable device includes gas gathering mask, air delivery device, recovery tower, centrifuge and neutralizing tower；The waste treatment equipment includes central groove, recycle liquid pump, filter, recycling bins, filter press and air pump；The resistance to acid pump is mounted on the pipeline between level-one rinse bath and recovery tower；The chromium plating room is connect by pipeline with recovery tower.Chromium plating production equipment of the invention can control material balance, do not generate chromate waste water by chrome-plating bath, cleaning device, chromic acid recyclable device, waste treatment equipment, resistance to acid pump and chromium plating room；In chromic acid recyclable device, the characteristic of chromic acid is adsorbed using cooling down to chromium mist, chromic acid is improved and recycles ability, make gas emission compliance.
Description
Technical field
The present invention relates to electroplating technology, the chromium plating production for particularly relating to a kind of nothing waste discharge containing chromium is set
It is standby.
Background technique
In workpiece chromium plating production processing, first is that when cleaning the workpiece after plating, the generated cleaning sullage containing chromium
It is directly discharged to sewer pipe, causes water pollution；Second is that in chrome-plating process, due to using insoluble anode, cathode current effect
Rate is again very low, causes a large amount of hydrogen and oxygen evolution, when gas escapes liquid level, has chromic acid, forms chromium mist and is discharged in the air, right
Atmosphere causes serious pollution；Third is that being inevitably generated some solid sundries in chrome-plating process, in plating solution, i.e., containing chromium
Industrial residue, waste residue are drenched by sleet and are soaked, and contained Cr VI, which will be dissolved in permeate the ground water or entrance river, lake, to be polluted
Environment causes bigger harm.For generating three waste discharge during workpiece chromium plating production processing, the processing of waste liquid sewage is adopted
Sewage-treatment plant is set certainly with enterprise or concentration is sent to sewage treatment plant and is uniformly processed, and this method significantly increases enterprise
Industry production cost；The processing of exhaust gas chromium mist is using the ease for placing foamed plastics fragment or fragment retardance chromium mist on the liquid level of plating solution
Out, inconvenient for operation but when workpiece goes out slot；In addition chromic acid oxidability is very strong, has erosion to the fragment of addition, makes point
Solution product accumulates in the plating solution, influences quality of coating.
Summary of the invention
It is above-mentioned existing effectively to overcome the object of the present invention is to provide a kind of chromium plating production equipment of nothing waste discharge containing chromium
The deficiency of technology.
The scheme that the present invention solves technical problem is: a kind of chromium plating production equipment of nothing waste discharge containing chromium, including chromium plating
Slot, cleaning device, chromic acid recyclable device, waste treatment equipment, resistance to acid pump and chromium plating room, the chrome-plating bath pipeline is respectively and clearly
Cleaning device, chromic acid recyclable device and waste treatment equipment connection；The cleaning device include level-one rinse bath, second level rinse bath,
Three-level rinse bath, level Four rinse bath and water supply device, water supply device are located at the top of level Four rinse bath；The chromic acid recycling dress
It sets including gas gathering mask, air delivery device, recovery tower, centrifuge and neutralizing tower, gas gathering mask is located at the top of chrome-plating bath, with gas gathering mask
The other end for the gas pipeline being fixedly connected is fixedly connected with recovery tower；The waste treatment equipment includes central groove, circulation fluid
Pump, filter, recycling bins, filter press and air pump, central slot position pass through pipeline and chromium plating in the side of chrome-plating bath, central groove
Slot connection and it is lower than chrome-plating bath, in the centrally located slot of the entrance of recycle liquid pump, the outlet of recycle liquid pump is connect with filter, mistake
The outlet of filter is connect with chrome-plating bath feed inlet pipeline；The resistance to acid pump is mounted on the pipe between level-one rinse bath and recovery tower
On road；The chromium plating room is connect by pipeline with recovery tower.
Preferably, the waste treatment equipment further includes supersonic cleaning machine, and supersonic cleaning machine is mounted on filter,
The outlet of filter is connect with feed opening of press filter pipeline, and another import of filter press is connect with air pump sebific duct, filter press
Outlet is connected with recycling bins, and filter press is also connect with central groove pipeline.
Further, the recovery tower is successively arranged four rooms from the bottom to top, and indoor equipped with evaporator first, evaporator is logical
Piping is connected with the compressor of recovery tower, and PVC filament net is equipped in second Room, PVC granule is equipped in third room, in PVC
Particle is equipped with spray tube and return pipe, and spray tube connects with one end of resistance to acid pump, and the other end of resistance to acid pump and first is clearly
Washing trough connects, and the heat exchanger that heat exchange is carried out with chromium plating room is equipped in fourth ventricle.
Further, the cleaning device further includes piece installing workbench, and piece installing workbench is located at the top of level Four rinse bath.
Compared with prior art, the beneficial effects of the present invention are: chromium plating production equipment of the invention, by chrome-plating bath, clear
Cleaning device, chromic acid recyclable device, waste treatment equipment, resistance to acid pump and chromium plating room, can control material balance, not generate useless containing chromium
Water；In chromic acid recyclable device, the characteristic of chromic acid is adsorbed using cooling down to chromium mist, chromic acid is improved and recycles ability, discharge gas
It is up to standard；In waste treatment equipment, waste is made to carry out harmless treatment in obturator, unharmful substance outflow is not polluted
Environment.Chromium plating production equipment of the invention, high production efficiency, it is at low cost, can have been renovated from source chromium plating generation waste liquid,
Exhaust gas, waste sludge discharge problem, avoid environmental pollution.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Figure label: 100, chrome-plating bath；200, cleaning device；210, level-one rinse bath；220, second level rinse bath；230, three-level is clear
Washing trough；240, level Four rinse bath；250, water supply device；300, chromic acid recyclable device；310, gas gathering mask；320, air delivery device；
330, recovery tower；331, evaporator；332, PVC filament net；333, PVC granule；334, heat exchanger；340, centrifuge；350, it neutralizes
Tower；360, compressor；370, spray tube；380, return pipe；400, waste treatment equipment；410, central groove；420, recycle liquid pump；
430, filter；440, recycling bins；450, filter press；460, air pump；470, supersonic cleaning machine；500, resistance to acid pump；600,
Chromium plating room.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail:
Referring to Fig. 1, chromium plating production equipment of the invention, including it is chrome-plating bath 100, cleaning device 200, chromic acid recyclable device 300, useless
Object processing unit 400, resistance to acid pump 500 and chromium plating room 600,100 pipeline of chrome-plating bath respectively with cleaning device 200, chromic acid
400 connection of recyclable device 300 and waste treatment equipment；The cleaning device 200 includes level-one rinse bath 210, second level rinse bath
220, three-level rinse bath 230, level Four rinse bath 240 and water supply device 250, water supply device 250 are located at level Four rinse bath 240
Top；The chromic acid recyclable device 300 includes gas gathering mask 310, air delivery device 320, recovery tower 330, centrifuge 340 and neutralizing tower
350, gas gathering mask 310 is located at the top of chrome-plating bath 100, the other end for the gas pipeline 320 being fixedly connected with gas gathering mask 310 with
Recovery tower 330 is fixedly connected；The waste treatment equipment 400 includes central groove 410, recycle liquid pump 420, filter 430, recycling
Case 440, filter press 450 and air pump 460, central groove 410 are located at the side of chrome-plating bath 100, central groove 410 by pipeline with
The connection of chrome-plating bath 100 and it is lower than chrome-plating bath 100, in the centrally located slot 410 of the entrance of recycle liquid pump 420, recycle liquid pump 420
Outlet is connect with filter 430, and the outlet of filter 430 is connect with 100 feed inlet pipeline of chrome-plating bath；The resistance to acid pump 500
It is mounted on the pipeline between level-one rinse bath 210 and recovery tower 330；The chromium plating room 600 is connected by pipeline and recovery tower 330
It connects.The waste treatment equipment 400 further includes supersonic cleaning machine 470, and supersonic cleaning machine 470 is mounted on filter 430,
The outlet of filter 430 is connect with 450 feed inlet pipeline of filter press, and another import of filter press 450 and 460 sebific duct of air pump connect
It connects, the outlet of filter press 450 is connected with recycling bins 440, and filter press 450 is also connect with 410 pipeline of central groove.The recovery tower
330 are successively arranged four rooms from the bottom to top, and indoor equipped with evaporator 331 first, evaporator 331 passes through pipeline and recovery tower
330 compressor 360 is connected, and PVC filament net 332 is equipped in second Room, PVC granule 333 is equipped in third room, at PVC
Grain 333 is equipped with spray tube 370 and return pipe 380, and spray tube 370 connects with one end of resistance to acid pump 500, resistance to acid pump 500
The other end connect with the first rinse bath 210, in fourth ventricle be equipped with chromium plating room 600 carry out heat exchange heat exchanger 334.Institute
Stating cleaning device 200 further includes piece installing workbench, and piece installing workbench is located at the top of level Four rinse bath 240.
The process of this equipment chromic acid recycling is: after the chromium mist generated in chrome-plating process is collected by gas gathering mask 310, passing through gas transmission
Device 320 enters recovery tower 330, and the temperature of chromium mist is reduced by the evaporator 331 in recovery tower 330, makes the chromic acid in chromium mist
Become liquid by the adsorption of PVC filament net 332 and PVC granule 333；The temperature for reducing chromium mist, can make PVC filament net 332 and PVC
Chromic acid in 333 adsorption chromium mist of particle is more thorough.Gas after absorption without chromic acid passes through heat exchanger 334 and electroplating chamber
Air in 600 carries out heat exchange to meet the indoor operating temperature of plating, is then sent into neutralizing tower 350 by centrifuge 340 and reaches
It is discharged after mark.The chromic acid of 333 Adsorption on Surface of PVC filament net 332 and PVC granule in recovery tower 330, with resistance to acid pump 500 inhale come
Level-one rinse bath 210 in liquid washed by spray tube 370, the cleaning liquid of generation leans on and recovery tower 330 and level-one
The return pipe 380 that rinse bath 210 connects flows back to level-one rinse bath 210, to achieve the purpose that discharge chromic acid not into atmosphere.
This equipment chromium plating waste treatment process is: chromium plating liquid passes through recycle liquid pump 420, filter 430 by central groove 410
To 100 circulating filtration of chrome-plating bath, the solid impurity in chromium plating liquid is rested on the strainer of filter 430.Supersonic cleaning machine
470 are periodically cleaned by ultrasonic the strainer of filter 430, and the cleaning solution with solid impurity flows into filter press 450；Starting is empty
Air pump 460 carries out filters pressing to 450 cleaning liquid inside of filter press, and filtrate flows back to central groove 410.Filter cake with solid impurity leans on filters pressing
After scraper plate in machine 450 is discharged to the progress harmless treatment of recycling bins 440, fixed-end forces factory is sent.
Claims (4)
1. a kind of chromium plating production equipment of nothing waste discharge containing chromium, including chrome-plating bath, cleaning device, chromic acid recyclable device, waste
Processing unit, resistance to acid pump and chromium plating room, it is characterised in that: the chrome-plating bath pipeline is filled with cleaning device, chromic acid recycling respectively
It sets and waste treatment equipment connection；The cleaning device includes that level-one rinse bath, second level rinse bath, three-level rinse bath, level Four are clear
Washing trough and water supply device, water supply device are located at the top of level Four rinse bath；The chromic acid recyclable device includes gas gathering mask, gas transmission
Device, recovery tower, centrifuge and neutralizing tower, gas gathering mask are located at the top of chrome-plating bath, the appendix being fixedly connected with gas gathering mask
The other end in road is fixedly connected with recovery tower；The waste treatment equipment include central groove, recycle liquid pump, filter, recycling bins,
Filter press and air pump, in the side of chrome-plating bath, central groove is connect by pipeline with chrome-plating bath and lower than chromium plating central slot position
Slot, in the centrally located slot of the entrance of recycle liquid pump, the outlet of recycle liquid pump is connect with filter, the outlet and chromium plating of filter
The connection of slot feed inlet pipeline；The resistance to acid pump is mounted on the pipeline between level-one rinse bath and recovery tower；The chromium plating room
It is connect by pipeline with recovery tower.
2. a kind of chromium plating production equipment of nothing waste discharge containing chromium according to claim 1, it is characterised in that: the waste
Processing unit further includes supersonic cleaning machine, and supersonic cleaning machine is mounted on filter, the outlet of filter and filter press into
The connection of material mouth pipeline, another import of filter press are connect with air pump sebific duct, and the outlet of filter press is connected with recycling bins, filter press
Also it is connect with central groove pipeline.
3. a kind of chromium plating production equipment of nothing waste discharge containing chromium according to claim 1, it is characterised in that: the recycling
Tower is successively arranged four rooms from the bottom to top, and indoor equipped with evaporator first, evaporator passes through the compressor of pipeline and recovery tower
It is connected, PVC filament net is equipped in second Room, PVC granule is equipped in third room, spray tube and reflux is equipped in PVC granule
Pipe, spray tube connect with one end of resistance to acid pump, and the other end of resistance to acid pump connects with the first rinse bath, is equipped in fourth ventricle
The heat exchanger of heat exchange is carried out with chromium plating room.
4. a kind of chromium plating production equipment of nothing waste discharge containing chromium according to claim 1, it is characterised in that: the cleaning
Device further includes piece installing workbench, and piece installing workbench is located at the top of level Four rinse bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904720.4A CN109576767A (en) | 2017-09-29 | 2017-09-29 | A kind of chromium plating production equipment of nothing waste discharge containing chromium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904720.4A CN109576767A (en) | 2017-09-29 | 2017-09-29 | A kind of chromium plating production equipment of nothing waste discharge containing chromium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109576767A true CN109576767A (en) | 2019-04-05 |
Family
ID=65913995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710904720.4A Pending CN109576767A (en) | 2017-09-29 | 2017-09-29 | A kind of chromium plating production equipment of nothing waste discharge containing chromium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109576767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323128A (en) * | 2020-10-09 | 2021-02-05 | 厦门欧士佩电镀厂有限公司 | Emission reduction type electroplating cleaning method |
-
2017
- 2017-09-29 CN CN201710904720.4A patent/CN109576767A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323128A (en) * | 2020-10-09 | 2021-02-05 | 厦门欧士佩电镀厂有限公司 | Emission reduction type electroplating cleaning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190405 |